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Outside Acoustics Problem?

Dutch_ApplesDutch_Apples Posts: 5
Slightly off topic, but it is General Discussion.

I live in a very small town (roughly 3,000 people) and during the summer, the town really only has 1 bar, which is an outdoors tiki bar that holds maybe 200 people max.

The tiki bar is water side and about 2 blocks down the road are some very large condos that are elevated (first floor is parking garage which is mostly made of concrete.

Recently, there has been an uproar in the community involving the sound level coming from the Tiki Bar. (The stage faces the condos) A lot of townspeople are complaining that \"it's shaking the condos\" and is extremely loud.

I visited this Tiki bar on a number of occasions and it really wasn't that loud at the bar, however when I walked down the street to the condos, you could hear the sound with a 2 second delay Reverbing like crazy.

According to the newspaper, the police department was given a decibel meter, but no one knew how to use it (gotta love small towns) The Tiki bar is now for sale and will probably sell by next summer, but the controversy now is affecting the liqour license. Needless to say, this has had an economic & entertainment effect on the town.

My question is, does it sound like the \"officials\" know what they are talking about? I'm an entry level sound engineer, and to me it's more of an acoustical problem than a volume problem.

Any professional thoughts on this? I want to write a letter to the council and paper over this.

Comments

  • GadgetGadget Posts: 4,915
    Hey,
    May I make a suggestion...There is really only a couple of us here that help out, over at the Pro Sound Web however, there are a lot more. But if you could get together some type of drawing that illustrates the basic principles of what and where, then I think you could get a lot of ideas...

    http://srforums.prosoundweb.com/index.php/f/2/0/
    This is the address, and if you would like I am already an established member of the community, and could pose the question for you, or you could register yourself and do it. Rough dimensions (including the water and the distance to said condo's, type of music, typical PA used... hours of operation ...those sort of things.

    Reverberant field over water is a tough one...usually the sound decreases by the square of the distance... but it seems that over water that isn't always the case...The more info the better here, these guys don't like to have to ask a whole bunch of question the information should have included in the first place.

    Best regards
    Gadget
  • DraDra Posts: 3,777
    Water does a couple of things. 1) It is smooth so sound skips over it and 2) Air over water is moist and therefore dense which make the waves travel faster and easier. 3) Throw in cool night air...
    Ever been at a lake (Gadget probably never has because Minnesota does have many lakes) at night and be able to hear a conversation across the lake a mile away?

    DRA
  • GadgetGadget Posts: 4,915
    Oh no...(with tongue firmly inserted in cheek) :roll: never...I used to play on the beach a lot on Pokegama lake (Ojibwe for \"big water\") I was set up to play pretty much strait across the bay (well a little bit of an angle to avoid the land bridge (you can look all this up on Google world BTW.. hey David, Mark, that reminds me I wanna look up where you are.. help me out.. Type in Pokegme lake, Grand Rapids, MN and it will zoom right in on the lake.. see the causeway on the southeast arm? south end of the causeway om the big side of the lake. This is where I I grew up by the way... ) it was about 1/2 to 3/4 mile across, and a LONNNGGG way with many bays and a couple rivers to the left of the stage (one the mighty Mississippi, which this is a backwater/floodplane of, where the waters are held back and allowed to recede slowly in the spring to help with flooding down river) Anyway.. as usual I digress.. but we would draw people from all over the lake including the big \"party spot\" Nesbit island, which is easily three miles aeay, and they could hear the music clearly.. in the middle of the day, on that island.. wind and all. So ya... water is NOT your friend if you have bitchy rich people around the lake...

    Gadget
  • DraDra Posts: 3,777
    Gadget / Fanman,

    PM sent.

    DRA
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